Recreations - Musharof Chy
Mathematical Problems - Problem Solving
Mathematics Hots (Problems) by Bruno Kevius
Mathematische Basteleien
Topics include Flexagon, Soma Cube, Pentominos, Cube-it, Rubik's Cube, Froebel's Star, Tangram, Hou...
Amazing Spiro
An applet for making spirograph graphs. Includes options for size, color and shape. Allows saving o...
The Diamond 16 Puzzle
New version of the classic puzzle using row/column/quadrant permutations to display symmetries of g...
Roman Numerals
Includes a introduction to Roman numerals including a translation of the digits used and a converte...
Mudd Math Fun Facts
An archive of interesting math facts for use in the classroom or just for fun. Browse by subject, d...
Fair Dice
Includes a complete list of all possible Fair Dice, most of which are not cubes. Includes pictures.
Math Forum: Algebra Problem of the Week
View this week's algebra problem or those of previous weeks.
Recreational Mathematics (David Eppstein)
An extensive list of web resources for recreational math.
Famous Curves Index
Curves you've heard of and curves you haven't, from Astroid to the Witch of Agnesi.
Table of Numbers Problem
Given a m * n rectangle, place all numbers from 1 to mn that minimizes the sum of the products of r...
Iamond
A page on polyiamond puzzles. Includes many pages on tessellation.